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Cheap flights from San Antonio (SAT) to Seattle (BFI)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)

How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)
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How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)
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How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)
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Cheap flights from San Antonio to Seattle in August , September 2026

31 Aug - 25 Sep $ 858.00
SAT
San Antonio
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
SAT
San Antonio
Pick dates
31 Aug - 18 Sep $ 859.00
SAT
San Antonio
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
SAT
San Antonio
Pick dates
31 Aug - 25 Sep $ 859.00
SAT
San Antonio
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
SAT
San Antonio
Pick dates

Last minute flights from San Antonio to Seattle

27 Aug - 01 Sep $ 1,249.00
SAT
San Antonio
VivaAerobus
3 STOPS
BFI
Seattle
BFI
Seattle
VivaAerobus
3 STOPS
SAT
San Antonio
Pick dates
30 Aug - 01 Sep $ 1,258.00
SAT
San Antonio
VivaAerobus
3 STOPS
BFI
Seattle
BFI
Seattle
VivaAerobus
3 STOPS
SAT
San Antonio
Pick dates
26 Aug - 01 Sep $ 1,276.00
SAT
San Antonio
VivaAerobus
3 STOPS
BFI
Seattle
BFI
Seattle
VivaAerobus
3 STOPS
SAT
San Antonio
Pick dates

One-way flights to Seattle from San Antonio

10:24 PM - 9:25 PM
Air Excursions
3 Stops
25h 51m
SAT - BFI
$ 523
Kiwi
Pick dates
8:26 PM - 9:25 PM
Air Excursions
2 Stops
27h 49m
SAT - BFI
$ 600
Kiwi
Pick dates
10:24 PM - 9:25 PM
Air Excursions
3 Stops
25h 51m
SAT - BFI
$ 688
Kiwi
Pick dates

How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)

Related info for your journey
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How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.